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fix: salvage a list result's valid entries when one is malformed (#1909)

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The SDK validates a list result as a whole, so a single non-conforming entry
rejected the entire response and the panel showed "Couldn't load resources"
with zero items — the exact opposite of what a debugging tool should do with a
server that is 90% right. Reported against a PHP server whose empty
`annotations` object reaches the wire as `[]` rather than `{}`.

`listAll*` now falls back to a lenient re-walk when — and only when — the SDK
rejects a result it received (`InvalidResult` / `UnsupportedResultType`), keeps
the entries that validate, and reports the rest. A conforming server takes the
strict, cache-aware path exactly as before.

Salvaging is not accepting: the dropped entries are named with their reason in
a warning above the list, and the Protocol entry is still marked rejected, so
the wire truth survives. When every entry validates, the original error is
rethrown rather than swallowed — the rejection was about something the
per-item pass cannot explain.

`isClientDecodeRejection` moves to the new module and is now shared with
managedListState, which had the only copy.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HDdo1rNRVQnVRRdsqSrvG3
Signed-off-by: cliffhall <cliff@futurescale.com>
This commit is contained in:
cliffhall 2026-08-15 16:52:11 -04:00
commit fe5b622fd1
1 changed files with 1402 additions and 64 deletions
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@ -60,7 +60,11 @@ v2/main/
│ ├── mcp/ # InspectorClient runtime + state stores
│ │ # (modernTaskSchemas.ts: SEP-2663 modern Tasks
│ │ # extension wire schemas + normalize/handle helpers,
│ │ # used by the raw-wire tasks/* channel — #1631)
│ │ # used by the raw-wire tasks/* channel — #1631;
│ │ # listSalvage.ts: per-item salvage for list results —
│ │ # keeps the valid entries when one is non-conforming
│ │ # instead of losing the whole list, and owns the
│ │ # shared isClientDecodeRejection predicate — #1909)
│ │ ├── import/ # Config import strategies (#1348): client-config parsers
│ │ │ # (Claude Desktop/Cursor/Cline/VS Code), registry
│ │ │ # server.json parser, strategy registry + well-known